jeremyevans/sequel — comment on commit 0202abc1a7564e3a26f2402c7f6c7251d08be918
File:  line 0
By funny-falcon:

> Three level qualified tables can be used in Microsoft SQL Server for cross-database access

Three level qualified fields could be used in PostgreSQL for accessing field of table in not default schema.
May be it would be more useful, if everywhere could be possible unlimited level of qualifying?